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Automatic Fall Detection Based on Doppler Radar Motion Signature

Liu Liang, Mihail Popescu, Marjorie Skubic, Marilyn Rantz, Tarik Yardibi, Paul Cuddihy
2011 Proceedings of the 5th International ICST Conference on Pervasive Computing Technologies for Healthcare  
To address the problem, we are currently developing a Doppler radar-based fall detection system. Doppler radar sensors provide an inexpensive way to recognize human activity.  ...  Falling is a common health problem for elderly. It is reported that more than one third of adults 65 and older fall each year in the United States.  ...  CONCLUSION In this paper we present an automatic fall detection system based on two Doppler radar sensors.  ... 
doi:10.4108/icst.pervasivehealth.2011.245993 dblp:conf/ph/LiuPSRYC11 fatcat:u5q6qv22bvb2jaqctwqizfgwha

Radar and RGB-Depth Sensors for Fall Detection: A Review

Enea Cippitelli, Francesco Fioranelli, Ennio Gambi, Susanna Spinsante
2017 IEEE Sensors Journal  
This paper reviews recent works in the literature on the use of systems based on Radar and RGB-Depth sensors for fall detection, and discusses outstanding research challenges and trends related to this  ...  Systems to detect reliably fall events and promptly alert carers and first responders have gained significant interest in the past few years in order to address the societal issue of an increasing number  ...  The work in [19] was one of the first published examples on the use of a commercial off-the-shelf pulse-Doppler radar system at 5.8 GHz for fall detection.  ... 
doi:10.1109/jsen.2017.2697077 fatcat:4pu3dtph2fcu7ictfcf6z3wu6y

State-of-the-Art Wearable Sensors and Possibilities for Radar in Fall Prevention

José Gabriel Argañarás, Yan Tat Wong, Rezaul Begg, Nemai Chandra Karmakar
2021 Sensors  
A novel application for radar is gait monitoring for fall prevention, which may play a key role in maintaining the quality of life of people as they age.  ...  A review of the sensors used for gait analysis and their applications to technology-based fall prevention interventions was conducted, focusing on wearable devices and radar technology.  ...  Informed Consent Statement: Informed consent was obtained from all subjects involved in the study. Data Availability Statement: Not applicable.  ... 
doi:10.3390/s21206836 pmid:34696046 fatcat:nagegigkszc6jntvsuyk56ufiu

Multiple Patients Behavior Detection in Real-time using mmWave Radar and Deep CNNs [article]

Feng Jin, Renyuan Zhang, Arindam Sengupta, Siyang Cao, Salim Hariri, Nimit K. Agarwal, Sumit K. Agarwal
2019 arXiv   pre-print
To address potential gaps noted in patient monitoring in the hospital, a novel patient behavior detection system using mmWave radar and deep convolution neural network (CNN), which supports the simultaneous  ...  In this study, we use an mmWave radar to track multiple patients and detect the scattering point cloud of each one.  ...  In this paper, we propose a multiple patients behavior detection system using millimeter wave (mmWave) radar sensor operating at 77GHz.  ... 
arXiv:1911.06363v1 fatcat:7unhlwzu6fet3aq2ovidjwryti


Hamid Aghajan, Andrea Prati, Carles Gomez, Juan Carlos Augusto
2018 Journal of Ambient Intelligence and Smart Environments  
The paper "Radar placement for fall detection: Signature and performance" by Su et al. examines two popular mounting positions of Doppler radars for human fall detection, namely in the ceiling center and  ...  The use of Doppler radar for human fall detection has attracted interest in recent years.  ...  The paper "Radar placement for fall detection: Signature and performance" by Su et al. examines two popular mounting positions of Doppler radars for human fall detection, namely in the ceiling center and  ... 
doi:10.3233/ais-180473 fatcat:337wvzo56jcrjafjhuxuqghb4a

Optimised waveform design for radar sensor aimed at contactless health monitoring

M. Mercuri, D. Schreurs, P. Leroux
2012 Electronics Letters  
A 5.8 -7.02 GHz radar sensor for remote health monitoring is reported. A proper radar waveform has been investigated aiming at fall detection and tag-less localization in home environments.  ...  Results show the ability on localizing persons and on distinguishing among normal and fall movements, also in practical circumstances.  ...  Radar sensor system: The developed radar sensor is shown in Fig. 2 .  ... 
doi:10.1049/el.2012.2499 fatcat:5i2laghdczhovjh6oelj2l5efa

A Radar-Based Smart Sensor for Unobtrusive Elderly Monitoring in Ambient Assisted Living Applications

Giovanni Diraco, Alessandro Leone, Pietro Siciliano
2017 Biosensors  
To meet requirements for technology acceptance by seniors (unobtrusiveness, non-intrusiveness, and privacy-preservation), this study presents and discusses a new smart sensor system for the detection of  ...  The reported results show that vital signs can be detected also while carrying out daily activities or after a fall event (post-fall phase), with accuracy varying according to the level of movements, reaching  ...  The Doppler signature generated by a moving person was exploited by Wu et al. in their radar-based fall detection system [55] .  ... 
doi:10.3390/bios7040055 pmid:29186786 pmcid:PMC5746778 fatcat:47jr4pehhzhzbhfga5b3eqlxzm

Micro-Doppler-based in-home aided and unaided walking recognition with multiple radar and sonar systems

Sevgi Zubeyde Gurbuz, Carmine Clemente, Alessio Balleri, John J. Soraghan
2017 IET radar, sonar & navigation  
Micro-Doppler-based in-home aided and unaided walking recognition with multiple radar and sonar systems. IET Radar Sonar and Navigation, 11 (1). pp. 107-115.  ...  SENSOR POSITIONING AND ASPECT ANGLE DEPENDENCE Sensor positioning is an important topic in micro-Doppler analysis.  ...  In [27] , sensors are positioned such that there is a 90 • difference in the orientation.  ... 
doi:10.1049/iet-rsn.2016.0055 fatcat:6lr6qxmu3feedauwzxsffl6kya

High-resolution time-frequency distributions for fall detection

Moeness G. Amin, Yimin D. Zhang, Boualem Boashash, Kenneth I. Ranney, Armin Doerry, G. Charmaine Gilbreath, Chadwick Todd Hawley
2015 Radar Sensor Technology XIX; and Active and Passive Signatures VI  
In this paper, we examine the role of high-resolution time-frequency distributions (TFDs) of radar micro-Doppler signatures for fall detection.  ...  The main purpose of this paper is to show the effect of using high-resolution TFD kernels, in lieu of spectrogram, on fall detection.  ...  Fig. 2 2 shows the spectrogram and EMBD of a fall towards the radar, generating positive Doppler frequencies at around t = 8 second.  ... 
doi:10.1117/12.2180139 fatcat:6sch4uskl5ektl4jkn46z4ybte

Fall detection using doppler radar and classifier fusion

Liang Liu, M. Popescu, M. Rantz, M. Skubic
2012 Proceedings of 2012 IEEE-EMBS International Conference on Biomedical and Health Informatics  
We develop a dual Doppler radar system for fall detection.  ...  The radar system generates a specific Doppler signature for each human activity which is then categorized by a set of classifiers as fall or non-fall.  ...  In [18] we proposed the idea of an automatic fall detection system that employs a Doppler range control radar (RCR).  ... 
doi:10.1109/bhi.2012.6211539 dblp:conf/bhi/LiuPRS12 fatcat:pgjn46qa7rb75aygddeewa3xde

Elderly care: activities of daily living classification with an S band radar

Aman Shrestha, Julien Le Kernec, Francesco Fioranelli, Yier Lin, Qian He, Jordane Lorandel, Olivier Romain
2019 The Journal of Engineering  
Falls in the elderly represent a serious challenge for the global population.  ...  To address it, monitoring of daily living has been suggested, with radar emerging to be a useful platform for it due to its various benefits with acceptance and privacy.  ...  Monitoring systems are integrated in the user's place of life: video cameras [13, 22] , RGBI-D sensors [22] [23] [24] [25] [26] and radars, or a combination of these systems.  ... 
doi:10.1049/joe.2019.0561 fatcat:pdd447jj6vcsznswcsk3pvfp2a

On the Use of Low-Cost Radar Networks for Collision Warning Systems Aboard Dumpers

José-Tomás González-Partida, Francisco León-Infante, Rodrigo Blázquez-García, Mateo Burgos-García
2014 Sensors  
To guarantee safety conditions is necessary to use automatic aid systems that can detect and locate the different objects and people in a work area.  ...  Jointly, a data fusion chain could be used to reduce the false alarm rate of the complete radar network. A real experiment is shown to demonstrate the feasibility of the proposed system.  ...  A target coming to the radar falls on the free clutter zone of the range-Doppler domain.  ... 
doi:10.3390/s140303921 pmid:24577521 pmcid:PMC4003924 fatcat:sz7c4lnzmvgcvjttwllkwincsu

Radar-based intruder detection for a robotic security system

Phil Cory, Hobart R. Everett, Tracy A. Heath-Pastore, Howie M. Choset, Douglas W. Gage, Pushkin Kachroo, Mikhail A. Kourjanski, Marten J. de Vries
1999 Mobile Robots XIII and Intelligent Transportation Systems  
This paper discusses the MDARS-E Intrusion Detection System sensors and user interface, with particular emphasis placed on the pulsed-Doppler radar implementation and performance.  ...  The MDARS-E Intrusion Detection System consists of a motion sensor suite which is selectively enabled while the vehicle is momentarily halted in execution of pre-defined but randomly executed patrols.  ...  The demonstrated sensitivity makes it possible to positively detect a human crawling even in a tangential fashion (i.e., Doppler systems are more sensitive to radial motion than tangential) at a distance  ... 
doi:10.1117/12.335727 dblp:conf/mr/CoryEH98 fatcat:eadpgdznlvg57boagcxy2adnli

Quantitative Gait Measurement With Pulse-Doppler Radar for Passive In-Home Gait Assessment

Fang Wang, Marjorie Skubic, Marilyn Rantz, Paul E. Cuddihy
2014 IEEE Transactions on Biomedical Engineering  
In this paper, we propose a pulse-Doppler radar system for in-home gait assessment of older adults.  ...  These lab results demonstrate the capability of the system to be used as a daily gait assessment tool in home environments, useful for fall risk assessment and other health care applications.  ...  We are developing an in-home fall risk assessment system that incorporates different low-cost passive sensors for early detection of gait changes in order to screen which elderly people are more at risk  ... 
doi:10.1109/tbme.2014.2319333 pmid:24771566 pmcid:PMC4238914 fatcat:jif2mthrozdbpdyn2555jrjebq

Radar placement for fall detection: Signature and performance

Bo Yu Su, K.C. Ho, Marilyn Rantz, Marjorie Skubic
2018 Journal of Ambient Intelligence and Smart Environments  
Two popular mounting positions of Doppler radar for human fall detection are in the ceiling center and at the torso level.  ...  This paper examines the fall signatures observed by a Doppler radar at the two positions and evaluates their consistencies with respect to the fall directions and locations.  ...  The Doppler radar sensor addresses the privacy concerns compared to the other fall detection sensors including cameras and acoustics.  ... 
doi:10.3233/ais-170469 fatcat:zxm4j5srbfgddixetdnvoebdh4
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